Estimating vehicle weight – Calculated Industries 8703 User Manual
Page 34
32 — H
OT
R
OD
C
ALC
™
1. Next, enter vehicle weight, and your actual ET and MPH, the
Wind Speed, and if available, Wind Direction, to calculate how
the wind effected your speed and time:
KEYSTROKES DISPLAY
LBS S 3840.
ET S 13.85 S
SPEED S 102.304 MPH
(Wind speed)
WIND S 30. MPH
(Wind direction)
WIND° S 5. °
2. Calculate the corrected ET and MPH
KEYSTROKES DISPLAY
WIND S 30. MPH
(Corrected ET)
ETc 13.281 S
(Corrected Speed)
SPDc 105.85 MPH
Repeated presses of
will toggle back through the inputs and
outputs, starting with the Wind Speed input.
So, if you were to re-do your run, everything being the same
except the wind conditions at the time of your recorded ET, you
would run a 13.281 at 105.85 MPH.
Estimating Vehicle Weight
Often, a racer will try to figure out what a particular race car’s
weight is or what Horsepower is required to achieve a recorded ET.
For this example, first clear the memory on your calculator,
including temporary and semi-permanent entries.
KEYSTROKES DISPLAY
ALL CLEArEd